Abstract: A rotary valve which is particularly useful in handling foodstuff or materials which will not tolerate cross-batch contamination, said valve including a housing having an inlet and an outlet which may be connected to a pneumatic conveying duct or the like, and having an access open end, a detachable closure mounted on said housing for closing said opening and, a drive shaft journalled in said housing having a free end disposed between said inlet and outlet, adjacent said closure, a rotor mounted on the free end of said shaft having an annular surface engageable with said housing, said annular surface having at least one recess communicable with said inlet and outlet by rotating the drive shaft for conveying material from said inlet to said outlet, a first axial seal disposed between said housing and said rotor, and a second axial seal disposed between said rotor and said closure, in substantial longitudinal alignment with said first axial seal.

Abstract: Equipment for injecting and mixing a pulverulent ground stabilizing agent into the material of the ground including an improved feeding means having a cylindrical chamber with rotatable vanes separating the chamber into compartments for receiving the pulverulent material and including pressure fluid passages for communicating with each compartment as pulverulent material is to be discharged therefrom for carrying the material out of that compartment.

Abstract: An automatic drain system for compressed air systems, air dryers, aftercoolers, separators and the like, which eliminates the loss of compressed air and is not clogged by sediment in the accumulated liquid or slurry.

Abstract: An apparatus for transferring coke in measured quantities from an inclined wharf on to a horizontal conveyor, which comprises a roll being provided with a circumferential shell enclosing a chamber with a peripheral aperture. The peripheral apeture extends straight or helically over the entire length of the roll. The helical peripheral aperture extends only over a zone of about 270.degree..

Abstract: A soup dispenser is provided with a simplified but accurate volumetric trap valve and reservoir assembly that obviates the need for venting in the dispensing of hot soup and the like with or without a high solids content. The entire unit including the valve, the reservoir and motorized impeller device for maintaining soup in the reservoir in a homogeneous condition is readily disassembled for cleaning and sanitizing.

Abstract: Alternate vanes on the valve of a rotary feeder for feeding particulate material effect clearances with the surrounding feeder housing surface to effect desired, controlled flow of the particulate material. The clearances between the alternate vanes and the housing may comprise a variety of forms such as notches disposed in the alternate vane distal edges. Also, the radial length of the alternate vanes may be shortened to effect the desired clearances. Such clearances also greatly increase the permissible feeding rates.

Abstract: The packaging machine is provided with a dumper shaft which includes material receiving chambers which can be adjusted in size to receive and measure varying amounts of material. Each material receiving means is made up of a pair of coaxial discs and radiating plates between the discs, the discs being held in place by locking collars. Outlet nozzles from the hopper above the dumper shaft are disposed to empty into a respective chamber while being disposed within the plane of the chamber. As the dumper shaft is rotated, the hopper and the outlets are raised to permit rotation. The upper edge of each plate has a lip or ledge directed in the direction of rotation of the dumper shaft to retain the material during rotation.

Abstract: A metering body, for use with a machine for distributing granular materials and wherein a metering body is rotatably supported and includes peripheral recesses which, when the metering body is rotated, are successively filled with granular material from a supply source of the machine, peripherally closed by an internal surface of the machine, and then exposed to discharge their granular contents to a discharge for the machine, said metering body comprising a rigid core with a substantially central bore, for receiving a driving shaft of the machine, coated on its external surfaces with a plastics material and with circumferentially spaced, peripheral recesses in said plastics material defining the granular material conveying recesses for the metering body.

Abstract: A rotary feeder valve adapted to feed wood chips into a digester wherein a rotor assembly which includes a pocket-body interference fitted to a shaft is further uniquely pinned thereto to stabilize the body and shaft under unforeseen and abnormal operating conditions.

Abstract: A ball having a variable volume cavity therein is integrally machined on a haft which is rotatably supported between two bearings. The ball is maintained in intimate sliding contact with a hopper seal at all times. An air-operated actuator is used to rotate the shaft and ball 180.degree. to place the ball in its load and unload positions. The variable volume cavity allows volumetric adjustments to be safely made even when dispensing sensitive explosive powders, such as lead azide. A hopper containing the explosive powder supply is bearing-mounted above the ball and funnel on two vertical shafts. The weight of the hopper maintains intimate contact between an electrically conductive plastic seal insert in the bottom of the hopper and the surface of the ball on which it rests and prevents leakage of powder during fill and discharge of the ball cavity.

Abstract: A seed planter attachment for a garden plow in which the planter is driven directly from the drive for the traction drive wheel. The planter includes a vertical seed planting disc which is rotated from such drive and which contains seed cups or pockets which pick up the seed through openings formed in the adjacent side wall of the seed hopper. The seed is discharged by gravity through a seed discharge tube extending downwardly from the seed hopper.BACKGROUND OF THE INVENTIONThe present invention relates as indicated to a seed planter attachment for garden plow and relates more particularly to a planter in which a planting disc is driven from the main drive for the traction drive wheel, with the planting disc being constructed and arranged on the seed hopper for pick up and gravity dicharge of the seed through a seed discharge tube extending below the seed hopper.The plow per se to be presently described is similar in most respects to the plow disclosed and claimed in my U.S. Pat. No.

Abstract: For use with a tunnelling shield in which an excavating tool operates within a substantially sealed-off and pressurized region, a spoil-removal device for extracting spoil from the pressurized region comprises a cylindrical chamber which has an inlet port open to the pressurized region and a discharge port which is open to a position outside said region and a multi-compartment rotary member adapted to rotate in said chamber in sealed co-operation therewith, each compartment of the rotary member being arranged to pass said inlet port and said discharge port in turn and being arranged not to be open to both ports at the same time, each compartment being arranged to receive a charge of solid spoil when the compartment reaches the inlet port, the amount of the charge being governed by the angle of slide of the spoil, and to deliver the charge to said position outside the excavating region when the compartment reaches the discharge port, substantially each part of the compartment surface which supports the charge

Abstract: A new rotary valve for metering solid slurries.